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Finding the Fourth Proportional to 297,715.55, 446,432.57 and 115,431.65

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Solution

The fourth proportional to 297,715.55, 446,432.57 and 115,431.65 is: 173,092.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,715.55 : 446,432.57 = 115,431.65 : x
  2. Step 2: Convert to fraction form
    297,715.55/446,432.57 = 115,431.65/x
  3. Step 3: Cross multiply
    297,715.55x = 446,432.57 × 115,431.65
  4. Step 4: Simplify right side
    297,715.55x = 51,532,445,936.68
  5. Step 5: Solve for x
    x = 51,532,445,936.68/297,715.55
  6. Step 6: Final answer
    x = 173,092.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.